Graph object

A graph is a representation of a series of data points (values). The graph can have a single series of values or multiple series.

Properties

Graph property

Datatype

Description

AccessibleDescription

String

A description of the control and/or its purpose for use by accessibility tools such as readers for visually impaired users.

AccessibleName

String

A label that briefly describes the control, such as the text in a button or the name of a menu item.

AccessibleRole

AccessibleRole (enumerated)

Describes what kind of user interface element the control is.

BackColor

Long

Specifies the numeric value of the background color: -2 to 16,777,215. For more information about color, see the RGB function in the PowerScript Reference.

Border

Boolean

Specifies whether the control has a border.

BorderStyle

BorderStyle (enumerated)

Specifies the style of the border of the control. Values are:

  • StyleBox!

  • StyleLowered!

  • StyleRaised!

  • StyleShadowBox!

BringToTop

Boolean

Specifies whether PowerBuilder moves the control to the top of the front-to-back order of the window or DataWindow control.

Category

grAxis

Specifies the properties of the category axis of the graph.

CategorySort

grSortType

Specifies how the categories are sorted.

ClassDefinition

PowerObject

An object of type PowerObject containing information about the class definition of the object or control.

Depth

Integer

Specifies the percent the depth is of the width of the graph.

DragAuto

Boolean

Specifies whether PowerBuilder will put the graph automatically into Drag mode. Values are:

  • TRUE – When the control is clicked, the control is automatically in Drag mode.

  • FALSE – When the control is clicked, the control is not automatically in Drag mode. You have to manually put the control into Drag mode by using the Drag function.

DragIcon

String

Specifies the name of the stock icon or the file containing the icon you want to display when the user drags a control (the ICO file). The default icon is a box the size of the control.

When the user drags a control, the icon displays when the control is over an area in which the control can be dropped (a valid drop area). When the control is over an area that is not a valid drop area, the No-Drop icon displays.

Elevation

Integer

Specifies the angle of front-to-back elevation.

Enabled

Boolean

Specifies whether the control is enabled (can be selected). Values are:

  • TRUE – Control can be selected.

  • FALSE – Control cannot be selected.

FocusRectangle

Boolean

Specifies whether a dotted rectangle (the focus rectangle) will frame the control when it has focus. Values are:

  • TRUE – Control will be framed when it has focus.

  • FALSE – Control will not be framed when it has focus.

GraphType

grGraphType (enumerated)

Specifies the type of the graph. Values are:

  • Area3D!

  • AreaGraph!

  • Bar3DGraph!

  • Bar3DObjGraph!

  • BarGraph!

  • BarStack3DObjGraph!

  • BarStackGraph!

  • Col3DGraph!

  • Col3DObjGraph!

  • ColGraph!

  • ColStack3DObjGraph!

  • ColStackGraph!

  • Line3D!

  • LineGraph!

  • Pie3D!

  • PieGraph!

  • ScatterGraph!

Height

Integer

Specifies the height of the control, in PowerBuilder units.

Legend

grLegendType (enumerated)

Specifies the alignment of the text in the graph legend. Values are:

  • AtBottom!

  • AtLeft!

  • AtRight!

  • AtTop!

  • NoLegend!

LegendDispAttr

grDispAttr

Specifies the type style for the text in the graph legend, including the text style, size, color, and rotation.

OverlapPercent

Integer

Specifies the percent of the width of the data markers that different series in a graph overlap.

Perspective

Integer

Specifies the distance the graph is from the front of the window.

PieDispAttr

grDispAttr

Specifies properties of the text in pie graph labels, including the text style, size, color, and rotation.

Pointer

String

Contains the name of the stock pointer or the file containing the pointer used for the graph.

Rotation

Integer

Specifies how much to rotate the graph from left to right.

Series

grAxis

Specifies the series in the graph.

SeriesSort

grSortType

Specifies how the series are sorted.

ShadeColor

Long

Specifies the color used for the shading in the graph.

Spacing

Integer

Specifies the space between data markers in the graph as a percent.

TabOrder

Integer

Specifies the tab value of the control in the tabbing sequence (0 means the user cannot tab to the control).

Tag

String

Specifies the tag value of the control.

TextColor

Long

Specifies the color to be used for the text in the control.

Title

String

Specifies the text of the title for the graph.

TitleDispAttr

grDispAttr

Specifies the type style for the text in the graph title, including the text style, size, color, and rotation.

Values

grAxis

Specifies the values of the value axis of the graph.

Visible

Boolean

Specifies whether the control is visible. Values are:

  • TRUE – Control is visible.

  • FALSE – Control is not visible.

Width

Integer

Specifies the stroke weight of text in the control; for example, 400 for normal or 700 for bold.

X

Integer

Specifies the X position (the distance from the left edge of the parent window), in PowerBuilder units.

Y

Integer

Specifies the Y position (the distance from the top of the parent window), in PowerBuilder units.

Events

Graph event

Occurs

Clicked

When the control is clicked (selected or unselected).

Constructor

Immediately before the Open event occurs in the window.

Destructor

Immediately after the Close event occurs in the window.

DoubleClicked

When the control is double-clicked (selected or unselected).

DragDrop

When a dragged control is dropped on the control.

DragEnter

When a dragged control enters the control.

DragLeave

When dragged control leaves the control.

DragWithin

When a dragged control is within the control.

GetFocus

Just before the control receives focus (before it is selected and becomes active).

Help

When the user presses the F1 key or drags the context help button (question mark) from the title bar to a menu item or control.

LoseFocus

When the control loses focus (becomes inactive).

Other

When a Windows message occurs that is not a PowerBuilder event.

RButtonDown

When the right mouse button is pressed on the control.

Functions

Graph function

Datatype returned

Description

AddCategory

Integer

Adds a category to the graph.

AddData

Long

Adds a value to the end of the specified series for the graph.

AddSeries

Integer

Adds a series to the graph and assigns the series a number.

CategoryCount

Integer

Counts the categories in the graph.

CategoryName

String

Obtains the name of the specified category in the graph.

ClassName

String

Returns the name assigned to the control.

Clipboard

Integer

Copies the graph in bitmap (BMP) format to the clipboard.

DataCount

Long

Returns the number of data points in a specified series in the graph.

DeleteCategory

Integer

Deletes the specified category and the data values in the series from the graph.

DeleteData

Integer

Deletes the data value in the specified data point in the specified series in the graph.

DeleteSeries

Integer

Deletes the specified series and the data values in the series from the graph.

Drag

Integer

Starts or ends dragging of the control.

FindCategory

Integer

Obtains the number of the specified category in the graph.

FindSeries

Integer

Obtains the number PowerBuilder assigned to the specified series when it was added to the graph.

GetContextService

Integer

Creates a reference to a context-specific instance of the specified service.

GetData

Double

Obtains the value of the specified data point in the specified series in the graph See also the GetDataValue function.

GetDataPieExplode

Integer

Reports the percentage that a pie slice is exploded in a pie graph.

GetDataStyle

Integer

Finds out the appearance of a data point in a series. Each data point in a series can have individual appearance settings.

There are different syntaxes, depending on what settings you want to check: colors, line style, fill pattern, or symbol.

GetDataValue

Integer

Returns the value of the specified data in the specified series in the specified graph.

GetParent

PowerObject

Returns a reference to the name of the parent object.

GetSeriesStyle

Integer

Finds out the appearance of a series in a graph. The appearance settings for individual data points can override the series setting, so the values obtained from this function may not reflect the current state of the graph.

There are several syntaxes, depending on what you want to get: colors; line style, fill pattern, or symbol; or whether the series is an overlay.

Hide

Integer

Makes the control invisible.

ImportClipboard

Long

Copies the contents of the clipboard to the graph starting in the specified column.

ImportFile

Long

Copies the contents of the specified file to the graph starting in the specified column.

ImportString

Long

Imports the contents from the specified string to the graph starting in the specified column.

InsertCategory

Integer

Inserts a new category before an existing category in the graph.

InsertData

Long

Inserts a new data point into the graph before a specified data point and moves existing data points to the right.

InsertSeries

Integer

Inserts a new series before an existing series in the graph.

ModifyData

Integer

Changes the value of the specified data point in the specified series in the graph to the specified value, and optionally modifies the data for the specified tick mark.

Move

Integer

Moves the control to a specified location.

ObjectAtPointer

GrObject Type

Stores the number of the series the pointer is over in the graph and the number of the specified data point in reference values, and identifies the object type.

PointerX

Integer

Returns the distance the pointer is from the left edge of the control.

PointerY

Integer

Returns the distance the pointer is from the top of the control.

PostEvent

Boolean

Adds an event to the end of the message queue for the control.

Print

Integer

Prints the control.

Reset

Integer

Deletes data in the graph as specified.

ResetDataColors

Integer

Resets the color of a data point to the series color.

Resize

Integer

Changes the size of the control.

SaveAs

Integer

Saves the contents of the graph to a file in the specified format.

SeriesCount

Integer

Determines how many series there are in the graph.

SeriesName

String

Obtains the name of the specified series in the graph.

SetDataPieExplode

Integer

Explodes a pie slice in a pie graph.

SetDataStyle

Integer

Specifies the appearance of a data point in a graph.

There are several syntaxes, depending on what you want to set: colors, line style and width, or fill pattern or symbol.

SetFocus

Integer

Sets focus to the control.

SetPosition

Integer

Specifies the position of the control in the front-to-back order of the window.

SetRedraw

Integer

Controls automatic redrawing of the control after a change in its properties.

SetSeriesStyle

Integer

Specifies the appearance of a series in a graph.

There are several syntaxes, depending on what you want to change: colors, line style and width, fill pattern or symbol, or whether the series is an overlay.

Show

Integer

Makes the control visible.

TriggerEvent

Integer

Triggers a specified event in the control and executes the script for the event.

TypeOf

Object

Returns the type of the control.